Abstract
The metaphyseal collar due to the periphysis is lost (in 98% of 49 subjects) as an early sign of rickets and returns with recovery. The term “pseudophysis” refers to that unossified metaphyseal osteoid and cartilage as in rickets. The collar is intact in metaphyseal chondrodysplasias (a helpful sign in differential diagnosis from rickets), is shortened in achondroplasia, and frequently is spared in osteomyelitis, luetic bone disease, and Caffey infantile cortical hyperostosis. The periphyseal bone bark is thinned, but often apparent, in rickets, and is not thinned in cases of tyrosinosis and phenylketonuria.
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Andreoli SP, Smith JA, Bergstein JM (1985) Aluminum bone disease in children: radiographic features from diagnosis to resolution. Radiology 156:663
Cockshott WP (1986) Treponematosis. In: Taveras JM, Ferrucci JT (eds) Radiology diagnosis — imaging — intervention, vol 5. Lippincott, Philadelphia
Fraenkel E, Lorey A (1910) Die Rachitis im Röntgenbild. Lucas Gräfe & Sillem, Hamburg
Hess AF (1929) Rickets including osteomalacia and tetany. Lea & Febiger, Philadelphia
Laval-Jeantet M, Balmain N, Juster M, Bernard J (1968) Les rapports de la virole périchondrale et du cartilage en croissance normale et pathologique/Relations of the perichondral ring to the cartilage in normal and in pathological growth. Ann Radiol 11:327
Looser E (1920) Über Spätrachitis und Osteomalacie. Klinische, röntgenologische und pathologisch-anatomische Untersuchungen. Dtsch Z Chir 152:210
Morrison S, Kerr D (1989) Growth plate: roentgenologic findings in a case of tyrosinosis. Pediatrics 83:599
Oestreich AE, Ahmad BS (1992) The periphysis and its effect on the metaphysis. I. Definition and normal radiographic pattern. Skeletal Radiol 21:283
Oestreich AE, Crawford AH (1985) Atlas of pediatric orthopedic radiology. Thieme, Stuttgart
Ogden JA (1979) Pediatric osteomyelitis and septic arthritis: the pathology of neonatal disease. Yale J Biol Med 52:423
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Oestreich, A.E., Ahmad, B.S. The periphysis and its effect on the metaphysis. Skeletal Radiol. 22, 115–119 (1993). https://doi.org/10.1007/BF00197989
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DOI: https://doi.org/10.1007/BF00197989